diff --git a/htdocs/contact/document.php b/htdocs/contact/document.php
index 3fac8adea15..f62e82ee5a1 100644
--- a/htdocs/contact/document.php
+++ b/htdocs/contact/document.php
@@ -23,6 +23,8 @@
  *       \brief      Page with attached files on contact
  */
 
+
+// Load Dolibarr environment
 require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
@@ -33,6 +35,7 @@ require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 // Load translation files required by the page
 $langs->loadLangs(array('other', 'companies', 'contact'));
 
+// Get parameters
 $id = GETPOST('id', 'int');
 $action = GETPOST('action', 'aZ09');
 $confirm = GETPOST('confirm', 'alpha');